<template>
	<RenderTableColumn v-bind="column" />
</template>

<script setup lang="tsx" name="TableColumn">
import { inject, ref, useSlots } from 'vue';
import { ColumnProps, RenderScope, HeaderRenderScope } from '@/components/ProTable/interface';
import { filterEnum, formatValue, handleProp, handleRowAccordingToProp } from '../common';

defineProps<{ column: ColumnProps }>();

const slots = useSlots();

const enumMap = inject('enumMap', ref(new Map()));

// 渲染表格数据
const renderCellData = (item: ColumnProps, scope: RenderScope<any>) => {
	return enumMap.value.get(item.prop) && item.isFilterEnum
		? filterEnum(handleRowAccordingToProp(scope.row, item.prop!), enumMap.value.get(item.prop)!, item.fieldNames)
		: formatValue(handleRowAccordingToProp(scope.row, item.prop!));
};

// 获取 tag 类型
const getTagType = (item: ColumnProps, scope: RenderScope<any>) => {
	return filterEnum(handleRowAccordingToProp(scope.row, item.prop!), enumMap.value.get(item.prop), item.fieldNames, 'tag');
};

const RenderTableColumn = (item: ColumnProps) => {
	return (
		<>
			{item.isShow && (
				<el-table-column {...item} align={item.align ?? 'center'} showOverflowTooltip={item.showOverflowTooltip ?? item.prop !== 'operation'}>
					{{
						default: (scope: RenderScope<any>) => {
							if (item._children) return item._children.map((child) => RenderTableColumn(child));
							if (item.render) return item.render(scope);
							if (slots[handleProp(item.prop!)]) return slots[handleProp(item.prop!)]!(scope);
							if (item.tag) return <el-tag type={getTagType(item, scope)}>{renderCellData(item, scope)}</el-tag>;
							return renderCellData(item, scope);
						},
						header: (scope: HeaderRenderScope<any>) => {
							if (item.headerRender) return item.headerRender(scope);
							if (slots[`${handleProp(item.prop!)}Header`]) return slots[`${handleProp(item.prop!)}Header`]!(scope);
							return item.label;
						},
					}}
				</el-table-column>
			)}
		</>
	);
};
</script>
